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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $2,667,389 | $2,041,175 | $1,092,224 | $1,314,881 | $364,125 | $574,933 | $479,988 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $1,393,876 | $1,044,868 | $1,125,979 | $1,359,016 | $861,052 | $1,081,951 | $1,323,633 |
| Electro-magnetic couplings, clutches & brakes | $231,497 | $334,937 | $328,795 | $190,678 | $778,951 | $291,102 | $300,075 |
| Electro-magnetic lifting heads | $9,333 | $141,589 | $71,808 | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $365,999 | $1,022,844 | $462,069 | $412,182 | $741,244 | $501,575 | $643,510 |
| Total | $4,668,094 | $4,585,413 | $3,080,875 | $3,276,757 | $2,745,372 | $2,449,561 | $2,747,206 |
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